C has 22 different meanings across 6 categories:
a degree on the centigrade scale of temperature
the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second
a vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy
one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second
a general-purpose programing language closely associated with the UNIX operating system
(music) the keynote of the scale of C major
street names for cocaine
Alternative form of c.
The middle tone in either one of the sets of seven white keys on a keyboard or a set of seven strings on a stringed instrument.
$100; a c-note.
Abbreviation of see; also C.
being ten more than ninety
Alternative form of c.
The third letter of the English alphabet, called cee and written in the Latin script.
The ordinal number third, derived from this letter of the English alphabet, called cee and written in the Latin script.
A standard size of dry cell battery between A and D.
A particular high-level programming language from which many others are derived.